>> i'm sure we're going to hear more about the benghazi attack that killed the u.s. ambassador to libya and three other americans. still comers coming out about what -- still stories coming out about what the white house knew. we'll hear about iran. there are new reports out just in the last 48 hours that iran is ready to engage in one on one talks with the u.s. after the election about its nuclear program. those are some of the issues i think we'll hear about tonight. >> but given how important the economy and jobs are to many undecided voters, are the foreign policy issues really going to help decide this election? >> that's a great point because we know what's driving this election are issues like jobs and the federal deficit and the economy in general. not foreign policy. on the other hand, i think americans do want to feel confident that whoever they elect for president is a credible commander in chief. so tonight's debate particularly for mitt romney looms large on that front. >> after the last debate got so heated, even combative, do you expect a completely di